If the H7N9 influenza virus now circulating in China evolves into a pandemic strain, the world is likely to have great difficulty providing adequate supplies of an effective vaccine in time to blunt its impact, according to a viewpoint article by three experts in the Journal of the American Medical Association (JAMA).
(CIDRAP News) – A new analysis of H7N9 genetic sequences from the first Chinese patients infected with the virus and from poultry markets found more signals that the virus can attach and replicate efficiently in the airways of humans and other mammals, raising concerns about the virus's pandemic potential.